Mosquitoes and other insects are used by female bot flies to carry their eggs somewhere to hatch, and this time they chose Aaron.

Doctors removed five of the bot fly eggs from Aaron's head

It might sound horrific, but larvae infections like this are quite common in South America so doctors knew exactly what to do.

Aaron said he thought he was going crazy when he could hear the bugs moving around his head.

Weird noises

He said: "In the last three days before the doctors pulled them out I heard noises. There was kind of like a ticking clock or what I think of when I think of a termite chewing on wood, that's the noise that I heard at the back of my head.